/*  _____ _
 * |_   _| |_  _ _ ___ ___ _ __  __ _
 *   | | | ' \| '_/ -_) -_) '  \/ _` |_
 *   |_| |_||_|_| \___\___|_|_|_\__,_(_)
 *
 * Threema for Android
 * Copyright (c) 2014-2020 Threema GmbH
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

package ch.threema.app.activities.ballot;


import androidx.fragment.app.Fragment;

abstract class BallotWizardFragment extends Fragment {
	private BallotWizardActivity ballotWizardActivity = null;

	/**
	 * update the data fields
	 */
	abstract void updateView();

	/**
	 * cast activity to ballotActivity
	 * @return
	 */
	public BallotWizardActivity getBallotActivity() {
		if(this.ballotWizardActivity == null) {
			if(super.getActivity() instanceof BallotWizardActivity) {
				this.ballotWizardActivity = (BallotWizardActivity)this.getActivity();
			}
		}

		return this.ballotWizardActivity;
	}
}
